#673D36#673D36

#673D36 is a dark, moderate red. Relative luminance 0.065; OKLCH L 40.8% C 0.061 H 30.1°. Best body text is #FFFFFF at 9.14:1 contrast (WCAG AA passes).

Color values

HEX	#673D36
RGB	rgb(103, 61, 54)
HSL	hsl(9, 31%, 31%)
HSV	hsv(9, 48%, 40%)
CMYK	cmyk(0%, 40.8%, 47.6%, 59.6%)
CIE-LAB	lab(30.61, 17.55, 12.13)
CIE-LCH	lch(30.61, 21.34, 34.64°)
OKLab	oklab(40.85% 0.0526 0.0305)
OKLCH	oklch(40.85% 0.061 30.1)
XYZ	xyz(7.9285, 6.4881, 4.3241)
Luminance	0.0649 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#673D36 #366067

analogous

#673647 #673D36 #675536

triadic

#673D36 #36673D #3D3667

tetradic

#673D36 #476736 #366067 #553667

square

#673D36 #476736 #366067 #553667

split-complementary

#673D36 #366755 #364767

monochromatic

#170D0C #3F2521 #673D36 #8F554B #B07268

Accessibility & contrast

On white

9.14

#673D36 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#673D36 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #673D36

9.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##673D36	#FFFFFF	#000000	##FFFFFF
##673D36	1.00	9.14	2.30	9.14
#FFFFFF	9.14	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#474335

Deuteranopia (green-blind)

#514B35

Tritanopia (blue-blind)

#6F373B

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #673d36;
/* rgb */ color: rgb(103, 61, 54);
/* oklch */ color: oklch(40.8% 0.061 30.1);

Tailwind

colors: {
  custom: {
    50: '#94736d',
    500: '#673d36',
    950: '#000000',
  },
}

SCSS

$custom: #673d36;
$custom-light: #94736d;
$custom-dark: #000000;

JSON

{
  "hex": "#673d36",
  "rgb": {
    "r": 103,
    "g": 61,
    "b": 54
  },
  "hsl": {
    "h": 8.571,
    "s": 31.21,
    "l": 30.784
  },
  "oklch": {
    "l": 0.40848,
    "c": 0.06084,
    "h": 30.1
  },
  "luminance": 0.06487
}

Semantic roles & 50–950 ramp

primary

#673D36

secondary

#619098

accent

#B9C760

background

#F9F7F6

surface

#F2EDEB

border

#CCC8C6

text

#0D0807

muted

#7E7B7A

Preview Lab

Preview with #673D36

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →